[jboss-jira] [JBoss JIRA] (WFLY-4540) NPE if dependency missing

[Stan Silvert (JIRA)]

Stan Silvert created WFLY-4540:
----------------------------------

             Summary: NPE if dependency missing
                 Key: WFLY-4540
                 URL: https://issues.jboss.org/browse/WFLY-4540
             Project: WildFly
          Issue Type: Bug
          Components: Build System
    Affects Versions: 9.0.0.Beta2
            Reporter: Stan Silvert
            Assignee: Stan Silvert


When creating a feature pack, a missing dependency caused the AetherArtifactFile resolver to throw an NPE.  However, it did not give any clue as to which dependency was missing.  I will submit a patch for this so that a proper error message can accompany a RuntimeException.

Here is the stack trace for the NPE:

{noformat}
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.wildfly.build:wildfly-feature-pack-build-maven-plugin:1.0.0.Alpha8:build (feature-pack-
build) on project keycloak-feature-pack-adapter: Execution feature-pack-build of goal org.wildfly.build:wildfly-feature-pack-build-maven-plugin:1.0.0.Alpha8:build failed:
 java.lang.RuntimeException: java.lang.NullPointerException
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:224)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
        at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:347)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:154)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:582)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:214)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:158)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
        at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
        at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution feature-pack-build of goal org.wildfly.build:wildfly-feature-pack-build-maven-plugin:1.0.0.Alpha8:b
uild failed: java.lang.RuntimeException: java.lang.NullPointerException
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:143)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
        ... 19 more
Caused by: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.NullPointerException
        at org.wildfly.build.plugin.FeaturePackBuildMojo.execute(FeaturePackBuildMojo.java:119)
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
        ... 20 more
Caused by: java.lang.RuntimeException: java.lang.NullPointerException
        at org.wildfly.build.featurepack.FeaturePackBuilder.build(FeaturePackBuilder.java:87)
        at org.wildfly.build.plugin.FeaturePackBuildMojo.execute(FeaturePackBuildMojo.java:117)
        ... 21 more
Caused by: java.lang.NullPointerException
        at org.wildfly.build.AetherArtifactFileResolver.getArtifactFile(AetherArtifactFileResolver.java:66)
        at org.wildfly.build.pack.model.FeaturePackFactory.createPack(FeaturePackFactory.java:66)
        at org.wildfly.build.pack.model.FeaturePackFactory.createPack(FeaturePackFactory.java:50)
        at org.wildfly.build.featurepack.FeaturePackBuilder.processDependencies(FeaturePackBuilder.java:108)
        at org.wildfly.build.featurepack.FeaturePackBuilder.build(FeaturePackBuilder.java:81)
        ... 22 more
[ERROR]
{noformat}



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